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   "source": [
    "## 第二次练习\n",
    "\n",
    "+ 请**务必**交到**exer2**文件夹下，谢绝交到master下\n",
    "+ 请**不要改动**任何文件，拜托\n",
    "+ 请在10月16日前提交。"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### 食物和热量\n",
    "\n",
    "已知，以下食物每100g的千卡路里如下：\n",
    "\n",
    "小米粥 45  \n",
    "粗粮馒头 223  \n",
    "全麦面包 235  \n",
    "瘦猪肉 143  \n",
    "鸡翅 194  \n",
    "培根 181  \n",
    "火腿肠 212 \n",
    "\n",
    "建立一个空的字典，把上述键值对依此添加进去。 \n",
    "通过循环形式，显示，如“我吃了二两”+“小米粥”，“增加了”+“45”千卡路里。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": false
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "我吃了二两小米粥，增加了45千卡路里\n",
      "我吃了二两粗粮馒头，增加了223千卡路里\n",
      "我吃了二两全麦面包，增加了235千卡路里\n",
      "我吃了二两瘦猪肉，增加了143千卡路里\n",
      "我吃了二两鸡翅，增加了194千卡路里\n",
      "我吃了二两培根，增加了181千卡路里\n"
     ]
    }
   ],
   "source": [
    "food_calories = {'小米粥': '45千卡路里',\n",
    "                   '粗粮馒头': '223千卡路里',\n",
    "                   '全麦面包': '235千卡路里',\n",
    "                   '瘦猪肉': '143千卡路里',\n",
    "                   '鸡翅': '194千卡路里',\n",
    "                   '培根': '181千卡路里',\n",
    "                   '培根': '181千卡路里',\n",
    "                   }\n",
    "\n",
    "for food, calories in food_calories.items():\n",
    "    print(\"我吃了二两%s，增加了%s\" % (food,calories))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### 运动和消耗\n",
    "常见三种运动的消耗热量表：  \n",
    "慢走 (一小时4公里) 255 卡  \n",
    "慢跑 (一小时9公里) 655 卡  \n",
    "羽毛球（一小时） 440 卡  \n",
    "\n",
    "模仿课件3-dict_set中的cell[9]做个刷题，直到答对而且答完为止。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
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   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "255卡\n",
      "\n",
      "What word do you think this is?\n",
      "慢走（一小时4公里）  慢跑（一小时9公里）  羽毛球（一小时）  \n",
      "- 慢跑（一小时9公里）\n",
      "Sorry, that's just not the right answer.\n",
      "\n",
      "What word do you think this is?\n",
      "慢走（一小时4公里）  慢跑（一小时9公里）  羽毛球（一小时）  \n",
      "- 慢走（一小时4公里）\n",
      "You got it!\n",
      "\n",
      "655卡\n",
      "\n",
      "What word do you think this is?\n",
      "慢走（一小时4公里）  慢跑（一小时9公里）  羽毛球（一小时）  \n",
      "- 羽毛球（一小时）\n",
      "Sorry, that's just not the right answer.\n",
      "\n",
      "What word do you think this is?\n",
      "慢走（一小时4公里）  慢跑（一小时9公里）  羽毛球（一小时）  \n",
      "- 慢跑（一小时9公里）\n",
      "You got it!\n",
      "\n",
      "440卡\n",
      "\n",
      "What word do you think this is?\n",
      "慢走（一小时4公里）  慢跑（一小时9公里）  羽毛球（一小时）  \n",
      "- 羽毛球（一小时）\n",
      "You got it!\n"
     ]
    }
   ],
   "source": [
    "sport_calorie = {'慢走（一小时4公里）': '255卡',\n",
    "                '慢跑（一小时9公里）': '655卡',\n",
    "                '羽毛球（一小时）': '440卡',\n",
    "                }\n",
    "\n",
    "def show_sport(sport_calorie):\n",
    "    display_message = \"\"\n",
    "    for sport in sport_calorie.keys():\n",
    "        display_message += sport + '  '\n",
    "    print(display_message)\n",
    "\n",
    "for calorie in sport_calorie.values():\n",
    "    print(\"\\n%s\" % calorie)\n",
    "\n",
    "    correct = False\n",
    "    while not correct:\n",
    "        \n",
    "        print(\"\\nWhat word do you think this is?\")\n",
    "        show_sport(sport_calorie)\n",
    "        guessed_word = input(\"- \")    \n",
    "        \n",
    "        if sport_calorie[guessed_word] == calorie:\n",
    "            print(\"You got it!\")\n",
    "            correct = True\n",
    "        else:\n",
    "            print(\"Sorry, that's just not the right answer.\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
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    {
     "name": "stdout",
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     "text": [
      "Dictionary: A collection of key-value pairs.\n",
      "Function: A named set of instructions that defines a set of actions in Python.\n",
      "List: A collection of values that are not connected, but have an order.\n"
     ]
    }
   ],
   "source": [
    "# 对dict来说，输出时不按任何顺序\n",
    "# 可以通过sorted()函数使结果有序输出\n",
    "python_words = {'list': 'A collection of values that are not connected, but have an order.',\n",
    "                'dictionary': 'A collection of key-value pairs.',\n",
    "                'function': 'A named set of instructions that defines a set of actions in Python.',\n",
    "                }\n",
    "\n",
    "for word in sorted(python_words.keys()):\n",
    "    print(\"%s: %s\" % (word.title(), python_words[word]))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### 江西最高山\n",
    "\n",
    "[江西最高的十座山]{http://jx.ifeng.com/a/20160628/4693979_0.shtml}\n",
    "\n",
    "请模仿上例，创建包含山名和海拔的dict，并按如下形式循环输出：  \n",
    "“黄岗山海拔2157.8米”"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "九岭头海拔1794米\n",
      "五虎岗海拔1891米\n",
      "军峰山海拔1760米\n",
      "南风面海拔2120米\n",
      "独竖尖海拔2128米\n",
      "玉京峰海拔1819米\n",
      "白鹤峰海拔1918米\n",
      "过风坳海拔1887米\n",
      "黄冈山海拔2157米\n",
      "齐云山海拔2061米\n"
     ]
    }
   ],
   "source": [
    "mountain_heights = {'黄冈山':'2157米',\n",
    "                     '独竖尖':'2128米',\n",
    "                     '南风面':'2120米',\n",
    "                     '齐云山':'2061米',\n",
    "                     '白鹤峰':'1918米',\n",
    "                     '五虎岗':'1891米',\n",
    "                     '过风坳':'1887米',\n",
    "                     '玉京峰':'1819米',\n",
    "                     '九岭头':'1794米',\n",
    "                     '军峰山':'1760米',\n",
    "                }\n",
    "\n",
    "for height in sorted(mountain_heights.keys()):\n",
    "    print(\"%s海拔%s\" % (height.title(),mountain_heights[height]))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### 为室友打一波广告\n",
    "请参照课件3-dict_set中的cell[15]“卖室友”吧。  \n",
    "第一层dict的key可自选，如身高、爱好、技能等等。\n",
    "并以以下形式循环输出：  \n",
    "我知道的XXX，TA:  \n",
    "身高：160  \n",
    "爱好：吸猫  \n",
    "技能：python  \n",
    "\n",
    "\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "我知道的大白:\n",
      "身高: 心有多高，腿有多长\n",
      "爱好: 鞋子+耳机\n",
      "技能: 单手小毛炉\n",
      "\n",
      "我知道的霉霉:\n",
      "身高: 娇小可人\n",
      "爱好: 喂胖男盆友\n",
      "技能: 给我一本烹饪书，世界就是我的\n",
      "\n",
      "我知道的腿腿:\n",
      "身高: 脖子以下全是腿\n",
      "爱好: 云吸猫喵喵喵\n",
      "技能: 吸猫复活\n"
     ]
    }
   ],
   "source": [
    "roommate = {'大白':{'身高':'心有多高，腿有多长','爱好':'鞋子+耳机','技能':'单手小毛炉',},\n",
    "            '霉霉':{'身高':'娇小可人','爱好':'喂胖男盆友','技能':'给我一本烹饪书，世界就是我的',},\n",
    "            '腿腿':{'身高':'脖子以下全是腿','爱好':'云吸猫喵喵喵','技能':'吸猫复活',},\n",
    "                }\n",
    "\n",
    "for name, information in roommate.items():\n",
    "    print(\"\\n我知道的%s:\" % name.title())\n",
    "    print(\"身高: \" + information['身高'])\n",
    "    print(\"爱好: \" + information['爱好'])\n",
    "    print(\"技能: \" + information['技能'])"
   ]
  },
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